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In
additiar,
to locusing,
t
here are two other basic
adjustments
on any fine camera:
the
LENS
AP ERTUR
E
or O
PE
NING
and
the SHUTT ER
SPEED
.
THE LENS OPENING
The lens
opening controls the
amount
01
light
that wi
ll
pass
thro ugh the lens onto the ligh
t
-
sensitive film.
Your Yashica MAT·LM
with
it Yashinon lens. oller openings at I: 3.5 4 5.6 8
11 16
22.
0000
f
3.5
I 4
f
5.6
f
8
f
11
f 16
f
22
Not:ce that the
lower
the number, the
large
r
the opening.
F 3.5
'
1 $
the largest opening
.
I:
22
the
sma
llest.
To set the lens o pening,
move
the Aperture Cont rol Wheel to
th
e des ired
nu
mber
on the
Aperture Scale.
SHUTTER SPEED
The Shutler Speed controls the duration of the exposure.
Shutter
speeds
on
this camera with its fine Capal Shutter are
1,
1/
2,1
/
4,1
/
8,1
/
15,1
/
30,
1/
60,
1/
125,
1/
250,
1/
500
of a second and
B.
The
'
B'
setting is for tak ing pictures
with an exposure longer than 1 second.
Use a Tripod or Brace when using
B.
When you press the Shutter Release Button on the 'B' setting the shutter stays
open until you release pressure on the button.
It is advisable to set the shutter speed before you cock the shutter all times
.
Camera may 'be Hand Held
Average Pictures
1/
30
1/
68
1/
125
Action
Pictures
1/
250
1/
500
Use a Tri pod or
Bra~e
Time
Exposure
'B
'
Slow speeds
1
sec
1/
2
1/
4
1/
8
1/
15
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